Overview
- District ID
- ia-hd-090
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 090
- Land Area
- 9.29 sq mi
- Water Area
- 0.05 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Johnson County | 9.29 sq mi | 100.0% | 1.5% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Iowa City city | 9.28 sq mi | 99.9% | 36.0% |
Showing all 1 place
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| IA District 1 | 31,916 | 100.0% | 4.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 24,513
- Active Voters
- 19,640 (80.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 13,182 | 53.8% |
| Republican | 3,242 | 13.2% |
| Unaffiliated | 7,878 | 32.1% |
| Other parties | 211 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,661 (23.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 18,757 (76.5%) | 2,081 (8.5%) | 259 (1.1%) |
| 2021–2022 | 13,016 (53.1%) | 4,592 (18.7%) | 436 (1.8%) |
| 2019–2020 | 15,196 (62.0%) | 5,803 (23.7%) | 586 (2.4%) |
| 2017–2018 | 11,404 (46.5%) | 3,988 (16.3%) | 190 (0.8%) |
| 2015–2016 | 10,931 (44.6%) | 1,967 (8.0%) | 89 (0.4%) |
| 2013–2014 | 8,213 (33.5%) | 1,737 (7.1%) | 390 (1.6%) |
| 2011–2012 | 9,368 (38.2%) | 1,121 (4.6%) | 212 (0.9%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 32,215 (± 1,383)
- Median Age
- 25.3
- Median Household Income
- $68,866 (± $6,250)
- High School Graduate or Higher (age 25+)
- 98.4%
- Bachelor's Degree or Higher (age 25+)
- 64.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 3,567 | 11.1% |
| 18 to 64 | 23,610 | 73.3% |
| 65 and over | 5,038 | 15.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,087 | 6.5% |
| White, not Hispanic | 25,645 | 79.6% |
| Black, not Hispanic | 1,313 | 4.1% |
| Asian, not Hispanic | 1,465 | 4.5% |
| American Indian / Alaska Native, not Hispanic | 0 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 213 | 0.7% |
| Two or more races, not Hispanic | 1,492 | 4.6% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 30,880
- Citizen Voting Age Population (CVAP)
- 27,487
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 29,127 | 94.3% |
| Hispanic | 1,753 | 5.7% |
| White | 25,787 | 83.5% |
| Black | 1,197 | 3.9% |
| Asian | 1,026 | 3.3% |
| American Indian / Alaska Native | 0 | 0.0% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 13 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 25,996 | 94.6% |
| Hispanic | 1,490 | 5.4% |
| White | 23,223 | 84.5% |
| Black | 1,243 | 4.5% |
| Asian | 1,422 | 5.2% |
| American Indian / Alaska Native | 108 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 16 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
